This study describes a vocabulary size test in Arabic used with 339 native speaking learners at school and university in Saudi Arabia. Native speaker vocabulary size scores should provide targets for attainment for learners of Arabic, should inform the writers of course books and teaching materials, and the test itself should allow learners to…

This paper describes a single-subject study of vocabulary acquisition. The subject, an L1 English speaker, was required to learn 300 vocabulary items in Arabic at a rate of 15 new words a day over a period of 20 days. The learning period was followed by immediate and delayed tests of receptive and productive knowledge of target items. The…